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OnePlus Watch 3 vs Watch 2

The OnePlus Watch 3 offers ECG, vascular health, 20% longer battery, and double storage over Watch 2.


Quick Comparison

FeatureWatch 3Watch 2
Price$399-$599$249-$349
Battery100 hours80 hours
Storage32GB16GB
ECGYesNo
Vascular HealthYesNo
Display1.5" LTPO1.43" AMOLED
Charging7.5W5W
Titanium OptionYesNo

Major Upgrades in Watch 3

  • ECG Monitoring: AFib detection now available
  • Vascular Health: Arterial stiffness assessment
  • 26% Larger Battery: 631mAh vs 500mAh
  • Double Storage: 32GB vs 16GB
  • Faster Charging: 60-90 min vs 90-120 min
  • Titanium Option: 30% lighter, hypoallergenic

What Stayed the Same

  • 47mm case size
  • Sapphire crystal display
  • 5ATM + IP68 + MIL-STD-810H
  • Dual-frequency GPS
  • WearOS 5
  • 22mm bands

Should You Upgrade?

Upgrade from Watch 2 if:

  • Want ECG/vascular health monitoring
  • Need 4+ day battery (vs 3+ days)
  • Need more storage for music
  • Want titanium option

Keep Watch 2 if:

  • Current battery life is adequate
  • Don't need ECG features
  • Bought within last 6 months

See Also: What's New in OnePlus Watch 3|How Long Does Battery Last|Does OnePlus Watch 3 Have ECG